YouTube Captions and Transcripts for Accessibility

Captions and transcripts are often treated as extras, but for many viewers they are the only way to use a video at all. They also help millions of people who simply watch with the sound off. This guide explains who relies on captions, what accessibility guidelines ask for, and how to make your YouTube videos accessible without much extra work.

Who relies on captions and transcripts?

• Deaf and hard-of-hearing people. The World Health Organization estimates that over 430 million people worldwide have disabling hearing loss.
• Deafblind users, who may read transcripts with a refreshable braille display.
• People with auditory processing or attention difficulties, who find reading along easier than listening alone.
• Non-native speakers who understand written language better than fast speech.
• Anyone in a noisy or quiet place, such as public transport, an office or next to a sleeping baby.

Captions vs. transcripts

The best practice is to provide both: captions on the video and a transcript on the page.

What accessibility guidelines ask for

The Web Content Accessibility Guidelines (WCAG), used by many accessibility laws and policies, include:

• Captions for prerecorded video with audio (WCAG 2 success criterion 1.2.2, Level A).
• An audio description or a text alternative for important visual information (1.2.3, Level A; audio description at Level AA in 1.2.5).
• A transcript for audio-only content, such as podcasts without video (1.2.1, Level A).

Public bodies, universities and many companies must meet WCAG Level AA. If you publish videos for an organisation, check which rules apply to you.

Are YouTube’s automatic captions enough?

Usually not on their own. Automatic captions are a great starting point, but they can mishear words, skip punctuation, ignore sounds like [applause], and misspell names. For accessibility, captions should be accurate, so review and correct them. See auto-generated vs. manual captions for typical accuracy.

A simple workflow for creators

1. Upload your video and wait for automatic captions.
2. Paste the link into our YouTube Video Transcript Generator and copy the transcript into a document.
3. Correct mistakes, add speaker names and important sounds in brackets.
4. In YouTube Studio, use Subtitles → Auto-sync with your corrected text. Full steps are in how to add subtitles to your YouTube videos.
5. Publish the corrected transcript on your website or in the video description.

Caption quality checklist

• Accurate: the words match what is said, including names and terms.
• Synchronised: captions appear when the words are spoken.
• Complete: covers the whole video, including the intro and outro.
• Readable: short lines, sensible line breaks, enough time on screen.
• Meaningful sounds such as [phone rings] or [laughter] are included when they matter.
• Speakers identified when it is not obvious who is talking.

Describe what is shown, not just what is said

If important information appears only on screen, such as a chart, a code sample or a written phone number, say it out loud in the video or add it to the transcript. Blind and low-vision viewers will miss it otherwise.

Accessibility helps everyone

Accurate captions and transcripts also make your content searchable, easier to translate and easier to quote. Read more in do transcripts help YouTube SEO.

Frequently Asked Questions